The invention relates to a polymer composition containing a polymer and, as an additive for making a dark laser marking, at least 0.1 wt. % antimony trioxide having an average particle size above 0.5 micrometer. The invention also relates to articles wholly or partly made of the polymer composition and to a process for applying a dark laser mark onto a light background of such article. The polymer composition according to the invention can be marked with laser light of wavenlengt 1064 nm.
申请公布号
WO0100719(A1)
申请公布日期
2001.01.04
申请号
WO2000NL00449
申请日期
2000.06.28
申请人
DSM N.V.;WESSELS, ESTHER;HIGLER, HANS, JOHANNES, FREDERICUS
发明人
WESSELS, ESTHER;HIGLER, HANS, JOHANNES, FREDERICUS